Welcome Help Please log in to determine if you are eligible to purchase PT Programs. HER2 AND ER IMMUNOHISTOCHEM INTERP - HERI Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Analyte Challenges per Shipment Number of Shipments HER2 online slide review 10 Two online activities per year ER online slide review 10 Additional Information HER2 and ER Immunohistochemistry Interpretation Only is an exercise and is not considered proficiency testing. This program is for laboratories that perform interpretation only for HER2 and ER for breast cancer and may be used to meet the requirements for alternative performance assessment. For laboratories that perform both staining and interpretation for HER2 and ER for breast cancer under the same CLIA number, see program HER2. Program Information Ten online whole slide images for HER2 by IHC interpretation only Ten online whole slide images for ER by IHC interpretation only Powered by DigitalScope technology Your CAP shipping contact will be notified via email when the activity is available Shipping Schedule Shipment A: April 1 Shipment B: October 21 Guest Log in/Register